./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31a0eb1c375123465029054813704556a808514c ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31a0eb1c375123465029054813704556a808514c .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:42:50,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:42:50,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:42:50,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:42:50,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:42:50,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:42:50,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:42:50,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:42:50,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:42:50,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:42:50,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:42:50,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:42:50,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:42:50,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:42:50,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:42:50,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:42:50,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:42:50,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:42:50,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:42:51,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:42:51,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:42:51,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:42:51,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:42:51,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:42:51,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:42:51,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:42:51,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:42:51,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:42:51,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:42:51,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:42:51,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:42:51,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:42:51,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:42:51,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:42:51,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:42:51,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:42:51,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:42:51,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:42:51,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:42:51,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:42:51,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:42:51,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:42:51,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:42:51,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:42:51,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:42:51,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:42:51,102 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:42:51,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:42:51,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:42:51,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:42:51,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:42:51,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:42:51,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:42:51,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:42:51,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:42:51,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:42:51,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:42:51,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:42:51,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:42:51,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:42:51,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:42:51,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:42:51,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:42:51,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:42:51,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:42:51,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:42:51,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:42:51,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:42:51,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:42:51,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:42:51,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:42:51,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-30 00:42:51,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:42:51,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:42:51,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:42:51,483 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:42:51,485 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:42:51,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-30 00:42:51,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/226cb1771/d060e47727364cb6bf40b9d0e5ba1538/FLAGa6c343399 [2020-11-30 00:42:52,529 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:42:52,530 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-30 00:42:52,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/226cb1771/d060e47727364cb6bf40b9d0e5ba1538/FLAGa6c343399 [2020-11-30 00:42:52,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/226cb1771/d060e47727364cb6bf40b9d0e5ba1538 [2020-11-30 00:42:52,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:42:52,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:42:52,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:42:52,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:42:52,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:42:52,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:42:52" (1/1) ... [2020-11-30 00:42:52,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8f5840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:52, skipping insertion in model container [2020-11-30 00:42:52,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:42:52" (1/1) ... [2020-11-30 00:42:53,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:42:53,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:42:58,094 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 00:42:58,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57ca80fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:58, skipping insertion in model container [2020-11-30 00:42:58,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:42:58,096 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 00:42:58,099 INFO L168 Benchmark]: Toolchain (without parser) took 5108.74 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 75.6 MB in the beginning and 97.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:58,100 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 107.0 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:42:58,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5105.74 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 75.4 MB in the beginning and 97.2 MB in the end (delta: -21.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:58,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 107.0 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5105.74 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 75.4 MB in the beginning and 97.2 MB in the end (delta: -21.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:43:01,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:43:01,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:43:01,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:43:01,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:43:01,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:43:01,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:43:01,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:43:01,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:43:01,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:43:01,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:43:01,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:43:01,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:43:01,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:43:01,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:43:01,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:43:01,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:43:01,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:43:01,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:43:01,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:43:01,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:43:01,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:43:01,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:43:01,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:43:01,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:43:01,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:43:01,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:43:01,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:43:01,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:43:01,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:43:01,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:43:01,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:43:01,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:43:01,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:43:01,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:43:01,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:43:01,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:43:01,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:43:01,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:43:01,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:43:01,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:43:01,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:43:01,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:43:01,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:43:01,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:43:01,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:43:01,224 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:43:01,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:43:01,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:43:01,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:43:01,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:43:01,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:43:01,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:43:01,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:43:01,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:43:01,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:43:01,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:43:01,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:43:01,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:43:01,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:43:01,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:43:01,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:43:01,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:43:01,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:43:01,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:43:01,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:43:01,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:43:01,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:43:01,231 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:43:01,232 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:43:01,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:43:01,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:43:01,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:43:01,233 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-30 00:43:01,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:43:01,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:43:01,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:43:01,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:43:01,815 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:43:01,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-30 00:43:01,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/d73551c7e/bfdd944640db4507a2b62959877b8dee/FLAGd972c971a [2020-11-30 00:43:03,086 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:43:03,087 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-30 00:43:03,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/d73551c7e/bfdd944640db4507a2b62959877b8dee/FLAGd972c971a [2020-11-30 00:43:03,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dfb24811-ca60-48e9-9597-09d8ac82c3ce/bin/uautomizer/data/d73551c7e/bfdd944640db4507a2b62959877b8dee [2020-11-30 00:43:03,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:43:03,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:43:03,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:43:03,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:43:03,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:43:03,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:43:03" (1/1) ... [2020-11-30 00:43:03,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22615cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:03, skipping insertion in model container [2020-11-30 00:43:03,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:43:03" (1/1) ... [2020-11-30 00:43:03,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:43:03,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:43:08,372 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 00:43:08,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@967ad4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:08, skipping insertion in model container [2020-11-30 00:43:08,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:43:08,375 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 00:43:08,378 INFO L168 Benchmark]: Toolchain (without parser) took 5000.64 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.4 MB in the beginning and 48.3 MB in the end (delta: -18.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:08,379 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 23.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:08,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4996.82 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.1 MB in the beginning and 48.3 MB in the end (delta: -19.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:08,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 23.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4996.82 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.1 MB in the beginning and 48.3 MB in the end (delta: -19.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...